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\bibitem{Bigiani_etal2020} {\textquotedblleft}\textit{Dual improvement of beta-MnO$_{2}$ oxygen evolution electrocatalysts via combined substrate control and surface engineering}{\textquotedblright}. Bigiani L, Gasparotto A, Maccato C, Sada C, Verbeeck J, Andreu T, Morante JR, Barreca D, Chemcatchem , 1 (2020).   http://doi.org/10.1002/CCTC.202000999

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